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Smart Energy Management for Marine and Off Grid


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  • REC Wi-Fi module

    $209.00 $204.94

    New Product, available April 2021

    Wi-Fi module for REC BMS allows you to control your power on your favourite device using Wi-Fi network. Battery pack parameters such as voltages, current, temperatures, state of charge (SOC) and state of health (SOH) are displayed. It allows BMS settings and parameters setup, also used for BMS firmware updates. It fully substitutes PC Software BMS Master Control or BLE module. As an addition LCD touch display for REC BMS can also be used at the same time as an extension to the system design.

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    From: $649.90 $620.72

    The REC SI BMS has custom profiles that integrate on the RS485 network to several well known Solar Inverters.

    These include:

    • Sunny Island
    • Victron
    • Studer
    • Solax
    • GoodWe

    During the day PV powers the house and charges the battery pack. If you’re not using all the electricity that the solar PV system is generating, then the system will ensure that any surplus energy is used to charge the battery pack. Once the battery is fully charged, if there is still more solar electricity being generated, this will be exported to the grid. At time of low solar generation (night or cloudy day) the solar PV panels have a reduced or zero output, but the battery system can discharge the stored electricity, providing you with renewable-generated electricity at no additional cost. Once the battery is discharged, if you need to use more electricity, you buy it from your electricity supplier.

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  • 3kW DC-DC Energy Management System

    $2,499.95 $2,195.00

    • Charge higher voltage batteries utilizing existing chassis electrical system.
    • On demand supplemental chassis electrical system power to support surge loads without
    cost of additional batteries.
    • Replace existing chassis alternator with higher energy unit and transparently support legacy
    chassis power bus.
    • J1939/RV-C based CAN support for system and BMS integration.
    • Compatible with additional WS500 controlled alternators installed in same system

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  • Tyco EV200ADANA BMS Contactor 48VDC

    $219.95 $199.00

    Typical EV200 applications include battery switching and back-up, DC voltage power control, circuit protection and safety (36-95V coil)

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  • Tyco EV200AAANA BMS Contactor 12-24VDC

    $199.95 $177.95

    Typical EV200 applications include battery switching and back-up, DC voltage power control, circuit protection and safety.  (9-36V Coil voltage)

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  • REC Q Series BMS 16S

    From: $559.95 $535.95

    Stand-alone unit REC BMS R and Q series with integrated CAN communication protocol can manage from 4 to 16 cells (in series). It is also compatible with Victron Cerbo installations for integration in PV systems.

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  • REC Active BMS

    From: $389.95 $369.95

    Active BMS for 12V Systems. WS500 compatible. Includes wiring harness with cell &
    relay wires, CAN and RS485 cables, temp. sensor wires (2), and remote ON/OFF switch.


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  • Current Shunt 500/50

    $69.95 $57.95

    This shunt works well with the WS500 to provide either battery or alternator current flow feedback.

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  • NMEA 2000 Wi-Fi Router YDNR-02N

    $289.00 $260.10

    Yacht Devices is pleased to present the most anticipated product of the season: NMEA 2000 Wi-Fi Router YDNR-02N, equipped with one NMEA 2000, two NMEA 0183, and one SeaTalk ports and Wi-Fi. It combines the best features of our NMEA 2000 Wi-Fi Gateway and NMEA 0183 Wi-Fi Router.

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  • NMEA 0183 Multiplexer YDNM-02

    $149.00 $134.10

    Smart multiplexer with five NMEA 0183 ports and one SeaTalk port, auto detection of port speed and easy configuration with a click of a button! And, of course, it has flexible filters, routing rules, and supports firmware updates.

    The underlying idea was to create simplest multiplexer in the world. In our lab, the project was called “Simple Multiplexer”, but later we added a lot of features and removed the word “Simple”. Nonetheless, we are sure that it is still the easiest to install. Instead of a laptop and software, you’ll only need a paperclip.

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  • WS500 Smart Regulator

    From: $549.95 $479.95

    Bonus !! Buy One and get the WS500 configuration Tool Free, a $ 24.95 value!

    Buy two and get the Pro version Free,

    a $ 149.95 value!

    And if you build it as a kit you save 10% on all accessories !! 

    (versus ordering items individually)

    The WS500 is a next generation Smart Regulator for Marine, Off-grid and RV applications. It is ideally suited to the latest in battery technology and includes CANBus and NMEA2k communications to integrate into an overall Energy Management Network.  Select your Wiring harness based on whether you need positive or negative type alternator excitation.  You WILL need either a Positive or Negative Wiring Harness.  Make sure you include it when you buy.  You may also wish to include a battery temperature sensor wiring harness.  This is optional but is strongly recommended, especially in “Battery Centric” configurations where the WS500 can reduce its output when your battery starts to warm up.

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